Fix typo.

[oota-llvm.git] / test / CodeGen / AArch64 / fp-dp3.ll

diff --git a/test/CodeGen/AArch64/fp-dp3.ll b/test/CodeGen/AArch64/fp-dp3.ll
index 3a9a6fc5471ac9a0f0c2e2471b51a74591febe32..10f88fdbbe962a46a086b17dabc1f8ace59df7e3 100644 (file)
--- a/test/CodeGen/AArch64/fp-dp3.ll
+++ b/test/CodeGen/AArch64/fp-dp3.ll
@@ -1,5 +1,5 @@
-; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -fp-contract=fast | FileCheck %s
-; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s -check-prefix=CHECK-NOFAST
+; RUN: llc -verify-machineinstrs -o - %s -mtriple=aarch64-none-linux-gnu -fp-contract=fast | FileCheck %s
+; RUN: llc -verify-machineinstrs -o - %s -mtriple=arm64-apple-ios7.0 | FileCheck %s -check-prefix=CHECK-NOFAST
 
 declare float @llvm.fma.f32(float, float, float)
 declare double @llvm.fma.f64(double, double, double)
@@ -26,8 +26,9 @@ define float @test_fmsub(float %a, float %b, float %c) {
 define float @test_fnmadd(float %a, float %b, float %c) {
 ; CHECK-LABEL: test_fnmadd:
 ; CHECK-NOFAST-LABEL: test_fnmadd:
+  %nega = fsub float -0.0, %a
   %negc = fsub float -0.0, %c
-  %val = call float @llvm.fma.f32(float %a, float %b, float %negc)
+  %val = call float @llvm.fma.f32(float %nega, float %b, float %negc)
 ; CHECK: fnmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
 ; CHECK-NOFAST: fnmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
   ret float %val
@@ -36,9 +37,8 @@ define float @test_fnmadd(float %a, float %b, float %c) {
 define float @test_fnmsub(float %a, float %b, float %c) {
 ; CHECK-LABEL: test_fnmsub:
 ; CHECK-NOFAST-LABEL: test_fnmsub:
-  %nega = fsub float -0.0, %a
   %negc = fsub float -0.0, %c
-  %val = call float @llvm.fma.f32(float %nega, float %b, float %negc)
+  %val = call float @llvm.fma.f32(float %a, float %b, float %negc)
 ; CHECK: fnmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
 ; CHECK-NOFAST: fnmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
   ret float %val
@@ -66,8 +66,9 @@ define double @testd_fmsub(double %a, double %b, double %c) {
 define double @testd_fnmadd(double %a, double %b, double %c) {
 ; CHECK-LABEL: testd_fnmadd:
 ; CHECK-NOFAST-LABEL: testd_fnmadd:
+  %nega = fsub double -0.0, %a
   %negc = fsub double -0.0, %c
-  %val = call double @llvm.fma.f64(double %a, double %b, double %negc)
+  %val = call double @llvm.fma.f64(double %nega, double %b, double %negc)
 ; CHECK: fnmadd {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
 ; CHECK-NOFAST: fnmadd {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
   ret double %val
@@ -76,9 +77,8 @@ define double @testd_fnmadd(double %a, double %b, double %c) {
 define double @testd_fnmsub(double %a, double %b, double %c) {
 ; CHECK-LABEL: testd_fnmsub:
 ; CHECK-NOFAST-LABEL: testd_fnmsub:
-  %nega = fsub double -0.0, %a
   %negc = fsub double -0.0, %c
-  %val = call double @llvm.fma.f64(double %nega, double %b, double %negc)
+  %val = call double @llvm.fma.f64(double %a, double %b, double %negc)
 ; CHECK: fnmsub {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
 ; CHECK-NOFAST: fnmsub {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
   ret double %val
@@ -113,12 +113,13 @@ define float @test_fnmadd_unfused(float %a, float %b, float %c) {
 ; CHECK-NOFAST-LABEL: test_fnmadd_unfused:
   %nega = fsub float -0.0, %a
   %prod = fmul float %b, %c
-  %sum = fadd float %nega, %prod
+  %diff = fsub float %nega, %prod
 ; CHECK: fnmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
 ; CHECK-NOFAST-NOT: fnmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
 ; CHECK-NOFAST: fmul {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
 ; CHECK-NOFAST: fsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
-  ret float %sum
+; CHECK-NOFAST: ret
+  ret float %diff
 }
 
 define float @test_fnmsub_unfused(float %a, float %b, float %c) {
@@ -126,11 +127,37 @@ define float @test_fnmsub_unfused(float %a, float %b, float %c) {
 ; CHECK-NOFAST-LABEL: test_fnmsub_unfused:
   %nega = fsub float -0.0, %a
   %prod = fmul float %b, %c
-  %diff = fsub float %nega, %prod
+  %sum = fadd float %nega, %prod
 ; CHECK: fnmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
 ; CHECK-NOFAST-NOT: fnmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
 ; CHECK-NOFAST: fmul {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
-; CHECK-NOFAST: fneg {{s[0-9]+}}, {{s[0-9]+}}
 ; CHECK-NOFAST: fsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
-  ret float %diff
+  ret float %sum
 }
+
+; Another set of tests that check for multiply single use
+
+define float @test_fmadd_unfused_su(float %a, float %b, float %c) {
+; CHECK-LABEL: test_fmadd_unfused_su:
+  %prod = fmul float %b, %c
+  %sum = fadd float %a, %prod
+  %res = fadd float %sum, %prod
+; CHECK-NOT: fmadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+; CHECK: fmul {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+; CHECK: fadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+; CHECK: fadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+  ret float %res
+}
+
+define float @test_fmsub_unfused_su(float %a, float %b, float %c) {
+; CHECK-LABEL: test_fmsub_unfused_su:
+  %prod = fmul float %b, %c
+  %diff = fsub float %a, %prod
+  %res = fsub float %diff, %prod
+; CHECK-NOT: fmsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+; CHECK: fmul {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+; CHECK: fsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+; CHECK: fsub {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+  ret float %res
+}
+